172044099 has 12 divisors (see below), whose sum is σ = 248991912. Its totient is φ = 114472800.

The previous prime is 172044073. The next prime is 172044101. The reversal of 172044099 is 990440271.

It is not a de Polignac number, because 172044099 - 2¹⁵ = 172011331 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (172044799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13657 + ... + 23034.

It is an arithmetic number, because the mean of its divisors is an integer number (20749326).

Almost surely, 2^172044099 is an apocalyptic number.

172044099 is a deficient number, since it is larger than the sum of its proper divisors (76947813).

172044099 is a wasteful number, since it uses less digits than its factorization.

172044099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37218 (or 37215 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 172044099 is about 13116.5581994668. The cubic root of 172044099 is about 556.1773012090.

The spelling of 172044099 in words is "one hundred seventy-two million, forty-four thousand, ninety-nine".